The Concept Mastery test measures one's ability to "deal with abstract ideas at a high level". In this test, you'll have to tell whether two words are either synonyms or antonyms (such as transient and permanent) and also to identify analogies (as in Clydesdale is to horses as Holstein is to). There are no time limits, but you shouldn't spend too much time on each question.

transient AND permanent ARE

Clydesdale IS TO horses AS Holstein IS TO